
.a{
    position: relative;
    width: 150px;
    float: left;
    margin-left: 50px;
    margin-top: 5px;

    /*transform: translate(-50%,-50%);*/
    background-color:#c47f44;
    height: 20px;
    border-radius: 20px;
    padding: 10px;
    padding-bottom: 25px;
}
.a .b{

    margin-top: 0;
    width: 150px;


    padding: 0 6px;
}
.a:hover .c{
    background-color: wheat;
}
.b{
    border: none;
    background: none;
    /* 取消选中搜索框时的外边框 */
    outline: none;
    width: 0;
    padding: 0;
    transition: .4s;
    line-height: 20px;
    font-size: 18px;
    color: white;
}
.c{
    margin-top: 0;
    color: #e94118;
    float: right;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: .4s;

}
input::-webkit-input-placeholder{
    color:#e7e1cd;
}
input::-moz-placeholder{/* Mozilla Firefox 19+ */
    color:#e7e1cd;
}
input:-moz-placeholder{/* Mozilla Firefox 4 to 18 */
    color:#e7e1cd;
}
input:-ms-input-placeholder{
    color: #e7e1cd;
}
